Common Fungicides Used for Fruit Disease Management
Their Compatibilities and Incompatibilities
· Topsin M (thiophanate-methyl, FRAC 1)
o
Do
not tank mix with highly alkaline materials such as Bordeaux or lime sulfur
o
Do
not tank mix with copper
· Inspire Super (difenoconazole + cyprodinil, FRAC 3 & 9)
o
Do
not tank-mix with surfactants or foliar fertilizers
· Rally (myclobutanil, FRAC 3)
o
Compatible
with oil
o
Stable
at a wide range of pH
· Revus Top (mandipropamid + difenoconazole, FRAC 3 & 40)
o
Do
not tank-mix with surfactants or foliar fertilizers
· Topguard (flutriafol, FRAC 3)
o
Compatible
with surfactants
· Fontelis (penthiopyrad, FRAC 7)
o
Compatible
with surfactants and oil
· Pristine (pyraclostrobin + boscalid, FRAC 7 & 11)
o
Compatible
with oil (except on pear)
o
Do
not use Pristine + oil on pear
o
Do
not use surfactants when applying by air (hops)
· Scala (pyrimethanil, FRAC 9)
o
Not
compatible with captan
· Vangard (cyprodinil, FRAC 9)
o
Compatible
with most tank additives
o
Adjust
pH to 5.0 – 7.0 when tank-mixed with Rovral (stone fruit, small fruit)
· Cabrio (pyraclostrobin, FRAC 11)
o
Compatible
with most additives or adjuvants
· Flint (trifloxystrobin, FRAC 11)
o
Compatible
with most insecticides, fungicides, and foliar nutrients
· Sovran (Kresoxim-methyl, FRAC 11)
o
Can
be tank-mixed with most recommended insecticides, fungicides, plant growth
regulators, adjuvants, or additives
· Captan (FRAC M)
o
Do
not mix with oil or within 4 days of an oil application
o
Do
not mix with strongly alkaline materials (reduces fungicidal activity) such as Bordeaux mixture or lime
o
Phytotoxic
to apple when mixed with sulfur
· Copper (FRAC M)
o
Not
compatible with Topsin M
o
Do
not apply under cool, slow-drying conditions
o
Do
not tank-mix with phosphorus acids
o
Tank-mixing
with mancozeb may cause phytotoxicity under wet or cool conditions. Spot check before use.
o Many Bacillus products are incompatible with copper. Read label and use caution.
· Dithane (mancozeb, FRAC M)
o
Compatible
with most insecticides, fungicides, or growth regulators
· Polyram (metiram, FRAC M)
o
Spray
oils may be needed to achieve consistent control
· Sulfur (FRAC M)
o
Do
not mix with oil or use within 2 weeks of each other
o
Do
not mix with Bt
o
Phytotoxic
to apple when mixed with captan
o
Do
not apply to sensitive crop cultivars
o
Do
not use at temperatures above 80˚F
· Syllit (dodine, FRAC M)
o
Do
not mix with Bordeaux or lime
· Ziram (FRAC M)
o
Compatible
with most commonly used adjuvants
Above comments and compatibilities are per label recommendations, thus terminology and language may vary from one product to another.
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